基数词变序数词 练习题

基数词变序数词

一：变化规则

基变序有规律，词尾要加 “th”；

第一、二、三要注意，词尾各是“t”“d”“d”；

八减“t”，九去“e”，“ve”要变成“f”，“y”要变成“ie”

然后再加“th”；若是遇到几十几，前变基来后变序。

序数词前必加“the”

二：写出下列词的适当形式。

1. eight (序数词)___________  2. fourth (缩写)_________

3. 2^nd (完整形式)___________    4. twenty(序数词)_______

5. one(序数词)_____________  6. five(序数词)_____________

7.senventh(基数词)____________ 8. three(序数词)_____________

9. ten(序数词)_____________ 10. ninth (基数词)_____________

11. twelve(序数词)________12. fourty--six(序数词)____________

三：选择

 (    ) 1. How old are you?----I’m ______

       A. fourteen   B. fourteenth    C. 14^th

(    ) 2. The badroom is on the ______ floor.

       A. three     B. threeth     C. third

(    ) 3. How many apples do you have?----- I have ______

      A. eight       B. eightth     C. eighth

(    ) 4. There are ______ living rooms in the house.

      A. second    B. two    C. twoth

(    ) 5. The National Day is ______ the October 1^st.

      A. in    B. at    C. on